There is a natural dichotomy between the two sides of one’s personality that is usually displayed between the different types of social groups with which an individual may identify oneself.

For those of you familiar with cognitive psychology this will be a familiar dichotomy.

The dichotomy postulated by many between idealism and realism is one of the standard clichés of the ongoing debate over international affairs. (A. division into two parts)

Such a dichotomy is, in effect, merely the restatement, from the point of view of society as a whole, of the existence of a self-regulating market.

They defined simply by a dichotomous division within the upper , middle, and lower classes.